public static Matrix operator *(Matrix left, Matrix right)
{
if (left.Cols != right.Rows)
{
MatrixTypeCalculateError e = new MatrixTypeCalculateError(3);
e.ShowException();
ReadKey();
Environment.Exit(0);
}
Matrix result = new Matrix($"result({left.Name} * {right.Name})", left.Rows, right.Cols);
double temp = 0;
for (int i = 0; i < result.Rows; i++)
{
for (int j = 0; j < result.Cols; j++)
{
for (int k = 0; k < left.Cols; k++)
{
temp += left.Elements[i, k] * right.Elements[k, j];
}
result.Elements[i, j] = temp;
temp = 0;
}
}
return(result);
}
public static Matrix operator -(Matrix left, Matrix right)
{
if ((left.Rows != right.Rows) || (left.Cols != right.Cols))
{
MatrixTypeCalculateError e = new MatrixTypeCalculateError(2);
e.ShowException();
ReadKey();
Environment.Exit(0);
}
Matrix result = new Matrix();
result = left + (-right);
result.Name = "result(" + left.Name + " - " + right.Name + ")";
return(result);
}
public static Matrix pow(Matrix a, int x)
{
if (a.Cols != a.Rows)
{
MatrixTypeCalculateError e = new MatrixTypeCalculateError(5);
e.ShowException();
ReadKey();
Environment.Exit(0);
}
Matrix result = new Matrix($"result({a.Name}^{x})", a.Rows, a.Cols);
for (int i = 0; i < result.Rows; i++)
{
for (int j = 0; j < result.Cols; j++)
{
result.Elements[i, j] = 1;
}
}
if (x < 0)
{
MatrixPowException e = new MatrixPowException();
WriteLine(e.Message);
ReadKey();
Environment.Exit(0);
}
if (x == 0)
{
return(result);
}
if (x == 1)
{
return(a);
}
if (x == 2)
{
return(a * a);
}
else
{
return(a * pow(a, x - 1));
}
}
public static Matrix operator +(Matrix left, Matrix right)
{
if ((left.Rows != right.Rows) || (left.Cols != right.Cols))
{
MatrixTypeCalculateError e = new MatrixTypeCalculateError(1);
e.ShowException();
ReadKey();
Environment.Exit(0);
}
Matrix result = new Matrix($"result({left.Name} + {right.Name})", left.Rows, left.Cols);
result.Count = left.Count;
for (int i = 0; i < left.Rows; i++)
{
for (int j = 0; j < left.Cols; j++)
{
result.Elements[i, j] = left.Elements[i, j] + right.Elements[i, j];
}
}
return(result);
}